American Needle Pittsburgh Pirates MLB 1977 Vintage Baker Cooperstown Fitted Cap (Black, 7 1/2) Officially licensed merchandise by American Needle 80% Acrylic/20% Wool blend - "Pillbox Baker" style fitted hat with flat brim Relaxed crown construction with pinstripe detail and felt team logo applique Black sweat tapes and details - dark green undervisor Non-adjustable, fitted hat - please see size chart for head measurement